▎ 摘　　要

NOVELTY - The utility model claims a B1-level flame-retardant intercity rail traffic cable, comprising a cable assembly and a main body assembly, the cable assembly comprises a fireproof layer, a wrapping layer, a lead, an insulating layer, a graphene radiating layer, a fireproof heat-insulating filling layer, a hydrophobic layer, a heat insulating layer and a waterproof layer; the inner side of the fireproof layer is provided with a wrapping layer; the inner side wall of the wrapping layer is symmetrically provided with three leads; the outer side wall of the three leads are sleeved with an insulating layer; the outer side wall of the three insulating layers are adhered with a graphene radiating layer; between the wrapping layer and the graphene radiating layer is filled with a fireproof heat-insulating filling layer; the outer side wall of the fireproof layer is provided with a hydrophobic layer; the utility model through graphene radiating layer, the heat generated in the process of using the lead is emitted in time, avoiding the lead generating higher heat accumulation, so as to avoid the cable combustion, meeting B1 level flame retardant, improving the safety rail traffic.